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An archive system is designed to store data for a long time without loss. However, many important factors such as temperature, dust, vibration, and humidity must be considered to design a successful archive system. Read/write devices, for example optical disk drives(ODDs), in an archive system generate heat while they are in operation. Fans are usually used to remove heat but the air flow accompanies dust into the system result in system failure. In this study, an archive system with six ODDs is chosen as an analysis model and flow together with temperature distributions are computed using a CFD simulation package. Flow analysis is focused on four cooling fans at the rear panel and temperature distribution is studied for various cases of fan operation. From the temperature point of view, fans give significant effects on 4 th to 6 th ODDs compared to the 1 st to 3 rd ODDs. Also, it is noticed which fan is the most important as far as cooling is concerned. Key Words: Archive system(), Heat and Flow analysis(  ) Fan failure( )

Heat and Flow Analysis for Cooling Fan for an Optical Archive System